About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

Reset

Showing: ticker HKHC

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Sep 18, 2026Allison Nagelberg
Director
HKHC
Horizon Kinetics Holding Corp
Buy190$26.27$4,991 BuyForm 4 ↗
Sep 2, 2026Alice C. Brennan
Director
HKHC
Horizon Kinetics Holding Corp
Buy200$25.92$5,184 BuyForm 4 ↗
Aug 28, 2026Alice C. Brennan
Director
HKHC
Horizon Kinetics Holding Corp
Buy200$26.20$5,240 BuyForm 4 ↗
Aug 27, 2026Alice C. Brennan
Director
HKHC
Horizon Kinetics Holding Corp
Buy200$26.00$5,200 BuyForm 4 ↗
Aug 26, 2026Maran Capital Management, LLCHKHC
Horizon Kinetics Holding Corp
Buy500$26.50$13.3K BuyForm 4 ↗
Aug 25, 2026Alice C. Brennan
Director
HKHC
Horizon Kinetics Holding Corp
Buy200$26.75$5,350 BuyForm 4 ↗
Aug 24, 2026Alice C. Brennan
Director
HKHC
Horizon Kinetics Holding Corp
Buy200$26.87$5,374 BuyForm 4 ↗
Aug 24, 2026Brent D. Rosenthal
Director
HKHC
Horizon Kinetics Holding Corp
Buy2,000$27.00$54.0K BuyForm 4 ↗
Aug 20, 2026Mark Herndon
Chief Financial Officer
HKHC
Horizon Kinetics Holding Corp
Buy200$26.75$5,350 BuyForm 4 ↗
Aug 19, 2026Mark Herndon
Chief Financial Officer
HKHC
Horizon Kinetics Holding Corp
Buy50$26.50$1,325 BuyForm 4 ↗
May 20, 2026Mark Herndon
Chief Financial Officer
HKHC
Horizon Kinetics Holding Corp
Buy100$27.85$2,785 BuyForm 4 ↗
May 20, 2026Brent D. Rosenthal
Director
HKHC
Horizon Kinetics Holding Corp
Buy700$27.85$19.5K BuyForm 4 ↗
Mar 20, 2026Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy18$34.60$623 BuyForm 4/A ↗
Mar 20, 2026Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy25$34.60$865 BuyForm 4/A ↗
Mar 20, 2026Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy10$34.60$346 BuyForm 4/A ↗
Mar 20, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy18$34.60$623 BuyForm 4 ↗
Mar 20, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy25$34.60$865 BuyForm 4 ↗
Mar 20, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy10$34.60$346 BuyForm 4 ↗
Mar 20, 2026Allison Nagelberg
Director
HKHC
Horizon Kinetics Holding Corp
Buy150$33.96$5,094 BuyForm 4 ↗
Mar 19, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy18$34.06$613 BuyForm 4 ↗
Mar 19, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy25$34.06$852 BuyForm 4 ↗
Mar 19, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy46$34.06$1,567 BuyForm 4 ↗
Mar 18, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy8$34.00$272 BuyForm 4 ↗
Mar 18, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy9$34.00$306 BuyForm 4 ↗
Mar 18, 2026Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy10$34.00$340 BuyForm 4 ↗
Mar 18, 2026Mark Herndon
Chief Financial Officer
HKHC
Horizon Kinetics Holding Corp
Buy80$33.03$2,642 BuyForm 4 ↗
Mar 18, 2026Brent D. Rosenthal
Director
HKHC
Horizon Kinetics Holding Corp
Buy750$33.05$24.8K BuyForm 4 ↗
Dec 10, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy4$27.00$108 BuyForm 4 ↗
Dec 10, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy6$27.00$162 BuyForm 4 ↗
Dec 10, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy12$27.00$324 BuyForm 4 ↗
Dec 9, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy4$27.00$108 BuyForm 4 ↗
Dec 9, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy6$27.00$162 BuyForm 4 ↗
Dec 9, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy12$27.00$324 BuyForm 4 ↗
Dec 8, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy4$26.73$107 BuyForm 4 ↗
Dec 8, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy6$26.73$160 BuyForm 4 ↗
Dec 8, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy12$26.73$321 BuyForm 4 ↗
Dec 5, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy4$27.75$111 BuyForm 4 ↗
Dec 5, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy6$27.75$167 BuyForm 4 ↗
Dec 5, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy12$27.75$333 BuyForm 4 ↗
Dec 4, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy4$27.75$111 BuyForm 4 ↗
Dec 4, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy6$27.75$167 BuyForm 4 ↗
Dec 4, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy12$27.75$333 BuyForm 4 ↗
Dec 4, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy6$41.25$248 BuyForm 4 ↗
Dec 3, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy4$27.00$108 BuyForm 4 ↗
Dec 3, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy6$27.00$162 BuyForm 4 ↗
Dec 3, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy12$27.00$324 BuyForm 4 ↗
Dec 2, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy4$27.23$109 BuyForm 4 ↗
Dec 2, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy6$27.23$163 BuyForm 4 ↗
Dec 2, 2025Murray Stahl
CEO and CIO, Director, 10% owner
HKHC
Horizon Kinetics Holding Corp
Buy12$27.23$327 BuyForm 4 ↗
Dec 1, 2025Horizon Common Inc
10% owner
HKHC
Horizon Kinetics Holding Corp
Buy4$27.00$108 BuyForm 4 ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 6:44 PM EST.

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